Impact resistance of tung oil-coated urea was evaluated by comparing the changes of the nutrient dissolution percent and nutrient-lapsed time of the sample before and after the drop-weight impact.

A series of soil and water incubation trials were conducted to compare three methods of determining nutrient release rate and characteristics of coated fertilizer,including chemical analysis method,coated fertilizer weighting method,and total soil mineral nitrogen method.

The fast extraction measurement of nutrient release rate of coated controlled-release fertilizer was the key for quality determination and criterion establishment.

The nutrient release rates of single longevity controlled release fertilizer (CRF) and multi-longevity CRF were tested in comparison with each of the CRF respectively by use of mixture experiment design.

The nutrient release rate of fertilizers were tested and compared in water.

Experimental study on nutrient release from coated controlled release fertilizer in the upland soil condition and its mathematic simulation;

Responses of litter decomposition and nutrient release to simulated nitrogen deposition in an evergreen broad-leaved forest in southwestern Sichuan;

Decomposition dynamics and nutrient release of litters for four artificial forests in the red soil and hilly region of subtropical China;